To easily execute the changing work of a slide disk constituting a slide gate.
In a slide gate metal 7 incorporating a slide gate plate 4 and enabling sliding action of the slide disk to a fixed disk, a pressing unit 11 for pressing the peripheral edge of the slide gate plate 4 is arranged and the slide gate plate 4 is constituted so as to be attachably/detachably held to the slide gate metal 7 with this pressing unit 11. The pressing units 11 are constituted so as to project out engaging pieces with coil springs and further, at the positions faced to the engaging pieces in a metallic hoop 4c around the peripheral edge of the slide gate plate 4, projecting parts are formed and the slide gate plate 4 is held in the slide gate metal 7 with the engaging pieces.
MIZUTANI SHOGO
YAMAZAKI KEISUKE
IWAI SEIJI
TSUJIMOTO KENICHI
TOFUKU HIROYUKI
SAIGO TADAO
TANAKA TERUO
SUMITOMO JUKIKAI CHUTAN KK
SUMITOMO METAL IND
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